The Millet Tactical Series M-Force Red Dot Scope is the most reliable, rugged red dots you'll find when looking for speed and accuracy in a sight for your tactical fire arm. Whether you are putting this on an AR flat top, shotgun or pistol, the Tactical Series Red Dots are the answer. This multi purpose 5 MOA red dot sight features 10 selectable brightness settings, flip up scope caps and a 30mm one piece cantilever mount for optimum sight height for AR flat tops.